<template>
<div>

  <div style="padding: 10px 0">
    <el-input style="width: 200px" placeholder="请输入名称" class="ml-5" suffix-icon="el-icon-search"
              v-model="name"
    ></el-input>
    <el-button type="primary" class="ml-5" @click="load">查询</el-button>
    <el-button type="warning"  @click="reset">重置</el-button>
  </div>
  <div style="margin: 10px 0">
    <el-button type="primary" @click="handelAdd"><i class=" el-icon-plus"></i>新增</el-button>
    <el-popconfirm
        class="ml-5"
        confirm-button-text='确定'
        cancel-button-text='我再想想'
        icon="el-icon-info"
        icon-color="red"
        title="您确定全部删除吗？"
        @confirm="deletebatch"
    >
      <el-button type="danger"class="mr-5" slot="reference"><i class="el-icon-delete"></i>批量删除</el-button>
    </el-popconfirm>
  </div>
  <el-table :data="tableData" border stripe row-key="id" default-expand-all  @selection-change="handleSelectionChange">
    <el-table-column type="selection" width="55">
    </el-table-column>
    <el-table-column prop="id" label="ID" width="100">
    </el-table-column>
    <el-table-column prop="name" label="名称"width="160">
    </el-table-column>
    <el-table-column prop="path" label="路径" width="180">
    </el-table-column>
    <el-table-column prop="pagePath" label="页面路径" width="180">
    </el-table-column>
    <el-table-column label="图标"  class-name="fontSize18" align="center" label-class-name="fontSize12">
      <template slot-scope="scope">
        <span :class="scope.row.icon"/>
      </template>
    </el-table-column>
    <el-table-column prop="description" label="描述">
    </el-table-column>
    <el-table-column label="操作" width="300" >
      <!--eslint-disable-next-line-->
      <template slot-scope="scope">
        <el-button type="primary" @click="handeladd(scope.row.id)" v-if="!scope.row.pid">新增子菜单<i class="el-icon-plus"></i></el-button>
        <el-button type="success" @click="handelEdit(scope.row)">编辑<i class="el-icon-edit"></i></el-button>
        <el-popconfirm
            class="ml-5"
            confirm-button-text='确定'
            cancel-button-text='我再想想'
            icon="el-icon-info"
            icon-color="red"
            title="您确定删除吗？"
            @confirm="handelDelete(scope.row.id)"
        >
          <el-button type="danger" slot="reference">删除<i class="el-icon-delete"></i></el-button>
        </el-popconfirm>
      </template>
    </el-table-column>

  </el-table>
  <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%" append-to-body>
    <el-form label-width="80px" size="small">
      <el-form-item label="名称:">
        <el-input v-model="form.name" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="路径:">
        <el-input v-model="form.path" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="页面路径:">
        <el-input v-model="form.pagePath" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="图标:">
        <template slot-scope="scope">
          <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 100%">
            <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
              <i :class="item.value"/>{{item.name}}
            </el-option>
          </el-select>
        </template>
      </el-form-item>
      <el-form-item label="描述:">
        <el-input v-model="form.description" autocomplete="off"></el-input>
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button @click="dialogFormVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </div>
  </el-dialog>

</div>
</template>

<script>
export default {
  name: "Menu",
  data(){
    return {
      tableData:[],
      total:0,
      pagesize:2,
      pagenum:1,
      name:"",
      description:"",
      dialogFormVisible:false,
      form: {},
      multipleSelection:[],
      options:[]
    }
  },
  created() {
    this.load()
  },
  methods:{
    load(){
      //请求分页查询数据
      this.request.get("/menu",{
        params:{
          name:this.name
        }
      }).then(res =>{
        console.log(res)
        this.tableData=res.data
      })
    },
    save(){
      this.request.post("/menu",this.form,this.id).then(res =>{
        if(res.data) {
          this.$message.success("保存成功")
          this.load()
        }else {
          this.$message.error("保存失败")
        }
      })
      this.dialogFormVisible = false
    },
    handleSelectionChange(val){
      console.log(val);
      this.multipleSelection=val
    },
    deletebatch(){
      let ids=this.multipleSelection.map(v =>v.id);
      console.log(ids)
      this.request.post("/menu/del/batch",ids).then(res =>{
        if(res.data) {
          this.$message.success("删除成功")
          this.load()
        }else {
          this.$message.error("删除失败")
        }
      })

    },
    reset(){
      this.name=""
      this.load()
    },
    handleSizeChange(pagesize){
      this.pagesize=pagesize
      this.load()
    },
    handeladd(pid) {
      this.form = {}
      this.dialogFormVisible = true
      if (pid) {
        this.form.pid = pid
      }
    },
      handelAdd(){
        this.form={}
        this.dialogFormVisible=true
    },
    handelEdit(row){
      this.form=row
      this.dialogFormVisible=true

      //请求图标的数据
      this.request.get("/menu/icons").then(res=>{
        this.options =res.data
      })
    },
    handelDelete(id) {
      this.request.delete("/menu/" + id).then(res =>{
        if(res.data) {
          this.$message.success("删除成功")
          this.load()
        }else {
          this.$message.error("删除失败")

        }
      })
    },

  }
}
</script>

<style>
.fontSize18{
  font-size: 18px;
}
.fontSize12{
  font-size: 12px;
}

</style>